diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 1611933..ec32f2b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -6,11 +6,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - name: Install Nix
-        uses: cachix/install-nix-action@v26
-
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: ci.sh
-        run: nix develop --command ./ci.sh
+      - uses: actions/checkout@v4
+      - uses: DeterminateSystems/nix-installer-action@main
+      - uses: DeterminateSystems/magic-nix-cache-action@main
+      - run: nix develop --command ./ci.sh